🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116

Radius: 12

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.55 AU - 0.75 AU

Year: 355 Days

Day: 14.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,018,960 km

• M1: 149,299 km (0.106 R)
• M2: 696,079 km (0.117 R)
• M3: 1,109,567 km (0.096 R)
• M4: 1,593,517 km (0.105 R)
• M5: 2,110,527 km (0.049 R)
• M6: 2,706,973 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.5

Radius: 9.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.85 AU - 1.23 AU

Year: 719 Days

Day: 12.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,018,960 km

• M1: 123,119 km (0.095 R)
• M2: 439,519 km (0.045 R)
• M3: 858,542 km (0.116 R)
• M4: 1,288,935 km (0.088 R)
• M5: 1,979,928 km (0.048 R)
• M6: 2,585,650 km (0.107 R)
• M7: 2,943,189 km (0.083 R)
• M8: 3,771,662 km (0.1 R)
• M9: 4,165,553 km (0.032 R)
• M10: 4,500,353 km (0.075 R)
• M11: 5,129,861 km (0.083 R)
• M12: 5,531,680 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 8.9

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.99 AU - 1.27 AU

Year: 815 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,018,960 km

• M1: 110,702 km (0.099 R)
• M2: 487,390 km (0.064 R)
• M3: 909,106 km (0.118 R)
• M4: 1,274,424 km (0.081 R)
• M5: 1,745,358 km (0.113 R)
• M6: 2,022,114 km (0.102 R)
• M7: 2,477,191 km (0.067 R)
• M8: 2,889,184 km (0.043 R)
• M9: 4,231,226 km (0.068 R)
• M10: 5,504,603 km (0.096 R)
• M11: 5,791,083 km (0.116 R)
• M12: 6,477,737 km (0.083 R)
• M13: 6,862,653 km (0.035 R)
• M14: 7,796,592 km (0.089 R)
• M15: 8,406,353 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.6

Radius: 12.1

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.27 AU - 1.55 AU

Year: 1136 Days

Day: 14.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,018,960 km

• M1: 150,495 km (0.114 R)
• M2: 645,066 km (0.035 R)
• M3: 2,237,087 km (0.075 R)
• M4: 2,798,079 km (0.109 R)
• M5: 3,176,412 km (0.049 R)
• M6: 3,639,866 km (0.116 R)
• M7: 4,275,657 km (0.115 R)
• M8: 5,309,228 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.4

Radius: 14

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.54 AU - 2.4 AU

Year: 1875 Days

Day: 9.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,018,960 km

• M1: 175,030 km (0.077 R)
• M2: 624,122 km (0.101 R)
• M3: 1,225,207 km (0.093 R)
• M4: 2,042,759 km (0.087 R)
• M5: 2,693,510 km (0.114 R)
• M6: 3,380,014 km (0.094 R)
• M7: 4,011,317 km (0.12 R)
• M8: 5,512,233 km (0.109 R)
• M9: 6,468,014 km (0.12 R)
• M10: 8,242,244 km (0.12 R)
• M11: 8,740,405 km (0.101 R)
• M12: 9,491,985 km (0.071 R)
• M13: 10,039,962 km (0.085 R)
• M14: 11,274,892 km (0.117 R)
• M15: 11,890,039 km (0.12 R)
• M16: 12,568,166 km (0.12 R)
• M17: 13,871,014 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.9

Radius: 10

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.69 AU - 4.17 AU

Year: 5284 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,018,960 km

• M1: 124,316 km (0.035 R)
• M2: 514,168 km (0.097 R)
• M3: 1,383,332 km (0.112 R)
• M4: 1,872,965 km (0.112 R)
• M5: 2,325,798 km (0.117 R)
• M6: 2,739,735 km (0.063 R)
• M7: 3,101,912 km (0.116 R)
• M8: 3,453,168 km (0.052 R)
• M9: 3,947,140 km (0.091 R)
• M10: 4,360,778 km (0.075 R)
• M11: 5,021,552 km (0.043 R)
• M12: 6,057,367 km (0.072 R)
• M13: 6,443,479 km (0.051 R)
• M14: 7,926,144 km (0.054 R)
• M15: 9,033,467 km (0.116 R)
• M16: 10,241,021 km (0.118 R)
• M17: 11,407,137 km (0.075 R)
• M18: 11,798,485 km (0.063 R)
• M19: 12,763,840 km (0.086 R)
• M20: 14,966,968 km (0.058 R)
• M21: 18,595,165 km (0.06 R)
• M22: 19,830,694 km (0.078 R)
• M23: 21,340,435 km (0.062 R)
• M24: 23,549,398 km (0.085 R)
• M25: 26,243,356 km (0.078 R)
• M26: 27,533,339 km (0.111 R)
• M27: 29,776,559 km (0.111 R)
• M28: 31,752,746 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 14,965 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit